/* ============================================================
   Landing About Page - Banner styling
   ============================================================ */

.about-banner-wrapper {
    width: 100%;
}

.about-hero {
    position: relative;
    width: 100%;
    height: 480px;
    overflow: hidden;
    background-image: url('../images/landing-about-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Dark tint overlay for text readability */
.about-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom,
            rgba(15, 23, 42, 0.5) 0%,
            rgba(15, 23, 42, 0.7) 100%);
    z-index: 1;
}

/* Center text container */
.about-hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: #ffffff;
    width: 100%;
    padding: 0 24px;
}

/* Headline */
.about-hero-title {
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    user-select: none;
}

.about-hero-title .title {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 36px;
    font-weight: 700;
    /* letter-spacing: 3px; */
    color: #ffffff;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    text-transform: uppercase;
}

.about-hero-title .desc {
    font-size: 18px;
    color: #fff;
    font-weight: 400;
    margin: 8px auto;
    max-width: 800px;
}

.title-row-1 .word-group {
    display: inline-block;
}

.title-row-1 .v-divider {
    width: 2px;
    height: 32px;
    background-color: rgba(255, 255, 255, 0.4);
    display: inline-block;
    border-radius: 1px;
}

.title-row-2 {
    font-size: 64px;
    font-weight: 800;
    letter-spacing: 8px;
    text-transform: uppercase;
    color: #ffffff;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.5), 0 0 30px rgba(255, 255, 255, 0.15);
    line-height: 1.1;
    margin-top: 5px;
}

/* ============================================================
   Introduction Section Styling
   ============================================================ */

.about-intro {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-top: 60px;
    padding: 20px 0;
}

.about-intro-left {
    flex: 1.25;
}

.about-intro-right {
    flex: 1;
}

.about-intro-subtitle {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-3);
    /* Matching red color */
    letter-spacing: 0.5px;
    margin: 0 0 12px 0;
    text-transform: uppercase;
}

.about-intro-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-3);
    /* Red header matching image */
    margin: 0 0 25px 0;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.about-intro-desc {
    font-size: 15px;
    line-height: 1.7;
    color: #374151;
    /* Slate gray */
    text-align: justify;
}

.about-intro-desc p {
    margin-bottom: 10px;
}

.about-intro-desc strong {
    color: #111827;
    font-weight: 700;
}

.about-intro-img-wrap {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    background-color: #f3f4f6;
    aspect-ratio: 4 / 3;
}

.about-intro-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.about-intro-img-wrap:hover .about-intro-img {
    transform: scale(1.03);
}

/* ============================================================
   Stats Section Styling
   ============================================================ */

.about-stats {
    margin-top: 40px;
    margin-bottom: 20px;
    text-align: center;
}

.about-stats-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-3);
    /* Red title */
    margin: 0 0 12px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.about-stats-subtitle {
    font-size: 15px;
    color: #4b5563;
    margin: 0 auto 40px auto;
    max-width: 800px;
    line-height: 1.6;
}

/* Stats grid */
.about-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.stats-item {
    padding: 10px;
}

.stats-number {
    font-size: 42px;
    font-weight: 800;
    color: #1f2937;
    /* Dark slate */
    margin-bottom: 8px;
    line-height: 1.1;
    letter-spacing: -0.5px;
}

.stats-label {
    font-size: 16px;
    font-weight: 600;
    color: #4b5563;
}

/* Partner logos card */
.about-partners-card {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    padding: 30px 40px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
    border: 1px solid #f3f4f6;
}

.about-partners-card .slick-slide {
    margin: 0 10px;
}

.about-partners-card .slick-list {
    margin: 0 -10px;
}

.about-partners-card.slick-initialized {
    display: block;
    /* Overwrite flexbox layout for Slick */
}

/* Logos general styling */
/* .logo-item {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 75px;
    transition: transform 0.3s ease;
    cursor: default;
    outline: none;
}

.logo-item:hover {
    transform: translateY(-3px);
} */

.logo-text {
    font-size: 12px;
    font-weight: 700;
    margin-top: 4px;
    letter-spacing: 0.5px;
    display: none;
}

.logo-text.red-text {
    color: var(--color-3);
}

.logo-text.gold-text {
    color: #b19153;
    font-size: 10px;
    font-weight: 800;
}

.logo-text.blue-text {
    color: #005ea6;
}

/* Viettel custom styling */
.viettel-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.viettel-logo .viettel-text {
    font-size: 32px;
    font-weight: 900;
    color: var(--color-3);
    font-style: italic;
    line-height: 0.9;
    font-family: 'Arial Black', sans-serif;
    letter-spacing: -1px;
}

.viettel-logo .viettel-slogan {
    font-size: 9px;
    color: #6b7280;
    margin-top: 3px;
    font-weight: 600;
    letter-spacing: -0.2px;
}

/* Sunhouse custom styling */
.sunhouse-logo {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.sunhouse-badge-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 120px;
}

.sunhouse-red-badge {
    background-color: var(--color-3);
    color: #ffffff;
    font-weight: 900;
    font-size: 13px;
    padding: 4px 14px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    z-index: 2;
    box-shadow: 0 2px 5px rgba(218, 37, 29, 0.2);
    font-family: 'Arial Black', sans-serif;
}

.sunhouse-blue-crescent {
    background-color: #00768e;
    /* Sunhouse blue-green teal color */
    height: 12px;
    width: 70px;
    border-radius: 0 0 10px 10px;
    margin-top: -6px;
    z-index: 1;
}

/* ============================================================
   Mission Section Styling
   ============================================================ */

.about-mission {
    padding: 60px 0;
    text-align: center;
}

.about-mission-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-3);
    text-transform: uppercase;
    margin: 0 0 45px 0;
    letter-spacing: 0.5px;
}

.about-mission-container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-mission-left {
    flex: 1.25;
    text-align: left;
}

.about-mission-right {
    flex: 1;
}

.mission-block {
    margin-bottom: 35px;
}

.mission-block:last-child {
    margin-bottom: 0;
}

.about-mission-left h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-3);
    margin: 0 0 12px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.about-mission-left p {
    font-size: 15px;
    line-height: 1.7;
    color: #4b5563;
    margin: 0;
    text-align: justify;
    margin-bottom: 10px;
}

.mission-desc .highlight-blue {
    color: #3b82f6;
    font-weight: 600;
}

.about-mission-img-wrap {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    background-color: #f3f4f6;
    aspect-ratio: 1 / 1;
}

.about-mission-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.about-mission-img-wrap:hover .about-mission-img {
    transform: scale(1.03);
}

/* ============================================================
   Timeline Section Styling
   ============================================================ */

.about-timeline {
    position: relative;
    padding: 50px 0;
    width: 100%;
    background-image: url('../images/landing-about-timeline-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.05);
}

/* Semi-transparent overlay */
.about-timeline::before {
    content: "";
    position: absolute;
    inset: 0;
    background-color: rgba(243, 244, 246, 0.92);
    z-index: 1;
}

.about-timeline .ctnr {
    position: relative;
    z-index: 2;
}

.timeline-header {
    text-align: center;
    margin-bottom: 60px;
}

.timeline-subtitle {
    font-size: 15px;
    font-weight: 700;
    color: #4b5563;
    letter-spacing: 1.5px;
    margin: 0 0 10px 0;
    text-transform: uppercase;
}

.timeline-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-3);
    text-transform: uppercase;
    margin: 0;
    letter-spacing: 0.5px;
}

/* Vertical Timeline Container */
.timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 10px 0;
}

/* Vertical line */
.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    border-left: 2px dashed #9ca3af;
    transform: translateX(-50%);
    z-index: 1;
}

.timeline-row {
    display: flex;
    align-items: center;
    position: relative;
    margin-bottom: 30px;
}

.timeline-row:last-child {
    margin-bottom: 0;
}

.timeline-col {
    flex: 1;
}

.timeline-left {
    padding-right: 50px;
    display: flex;
    justify-content: flex-end;
}

.timeline-right {
    padding-left: 50px;
    display: flex;
    justify-content: flex-start;
}

.timeline-center {
    flex: 0 0 80px;
    display: flex;
    justify-content: center;
    z-index: 2;
}

/* Timeline Node */
.timeline-node {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
    border-style: solid;
    border-width: 3px;
    transition: transform 0.3s ease;
}

.timeline-node img {
    width: 30px;
    height: 30px;
}

.timeline-row:hover .timeline-node {
    transform: scale(1.1);
}

.node-blue {
    border-color: #2563eb;
}

.node-green {
    border-color: #22c55e;
}

.node-red {
    border-color: var(--color-3);
}

/* Timeline Card */
.timeline-card {
    width: 100%;
    max-width: 440px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    background: #ffffff;
    transition: transform 0.3s ease;
}

.timeline-row:hover .timeline-card {
    transform: translateY(-4px);
}

.card-header {
    padding: 12px 20px;
    color: #ffffff;
    font-size: 20px;
    font-weight: 800;
    text-align: center;
    letter-spacing: 0.5px;
}

.card-blue .card-header {
    background-color: #2563eb;
}

.card-green .card-header {
    background-color: #22c55e;
}

.card-red .card-header {
    background-color: var(--color-3);
}

.card-body {
    padding: 20px;
    font-size: 14.5px;
    line-height: 1.6;
    color: #4b5563;
    text-align: justify;
}

.card-body .highlight-blue {
    color: #2563eb;
    font-weight: 600;
}

/* ============================================================
   Projects Section Styling
   ============================================================ */

.about-projects {
    padding: 80px 0;
    background-color: #ffffff;
}

.about-projects-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-3);
    text-transform: uppercase;
    text-align: center;
    margin: 0 0 60px 0;
    letter-spacing: 0.5px;
}

.about-projects-container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.projects-left {
    flex: 0.9;
    text-align: left;
}

.projects-main-header {
    font-size: 34px;
    font-weight: 700;
    color: #1f2937;
    margin: 0 0 20px 0;
    line-height: 1.25;
}

.projects-desc {
    font-size: 15px;
    line-height: 1.7;
    color: #4b5563;
    margin: 0 0 40px 0;
    text-align: justify;
}

.btn-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--color-3);
    color: #ffffff;
    font-weight: 700;
    font-size: 14px;
    padding: 15px 30px;
    border-radius: 6px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(218, 37, 29, 0.25);
}

.btn-more:hover {
    background-color: var(--color-4);
    color: #ffffff;
}

.projects-right {
    flex: 1.4;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.projects-col {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.masonry-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    background-color: #f3f4f6;
    cursor: pointer;
}

.masonry-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.masonry-item:hover img {
    transform: scale(1.04);
}

.item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0) 100%);
    color: #ffffff;
    padding: 24px 18px 14px 18px;
    font-size: 13.5px;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.masonry-item:hover .item-overlay {
    opacity: 1;
}

.item-1 {
    aspect-ratio: 16 / 10;
}

.item-2 {
    aspect-ratio: 10 / 12;
}

.item-3 {
    aspect-ratio: 10 / 12;
}

.item-4 {
    aspect-ratio: 16 / 10;
}

/* ============================================================
   Contact Section Styling
   ============================================================ */

.about-contact {
    padding: 70px 0;
    background-color: #f9fafb;
    /* Light gray background */
    border-top: 1px solid #f3f4f6;
    width: 100%;
    box-sizing: border-box;
}

.about-contact-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--color-3);
    text-transform: uppercase;
    text-align: center;
    margin: 0 0 45px 0;
    letter-spacing: 0.5px;
}

.about-contact-card {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.04);
    padding: 40px 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid #f3f4f6;
    max-width: 1000px;
    margin: 0 auto;
    box-sizing: border-box;
}

.contact-method-col {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 25px;
    padding: 0 40px;
    box-sizing: border-box;
}

.contact-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon-wrap img {
    width: 70px;
    height: 70px;
}

.contact-details {
    text-align: left;
}

.contact-details p {
    font-size: 18px;
    font-weight: 700;
    color: #1f2937;
    margin: 0 0 6px 0;
}

.contact-details a {
    font-size: 14.5px;
    color: #6b7280;
    margin: 0 0 16px 0;
}

.contact-btn {
    display: inline-block;
    font-size: 15px;
    font-weight: 700;
    color: #ffffff;
    padding: 10px 24px;
    border-radius: 30px;
    text-decoration: none;
    transition: background-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
    text-align: center;
}

.email-btn {
    background-color: var(--color-3);
    box-shadow: 0 4px 12px rgba(218, 37, 29, 0.2);
}

.email-btn:hover {
    background-color: #be1c15;
    color: #ffffff;
    transform: translateY(-1.5px);
    box-shadow: 0 6px 15px rgba(218, 37, 29, 0.3);
}

.phone-btn {
    background-color: #1d4ed8;
    box-shadow: 0 4px 12px rgba(29, 78, 216, 0.2);
}

.phone-btn:hover {
    background-color: #1e40af;
    color: #ffffff;
    transform: translateY(-1.5px);
    box-shadow: 0 6px 15px rgba(29, 78, 216, 0.3);
}

.contact-divider {
    width: 1px;
    height: 90px;
    background-color: #e5e7eb;
    flex-shrink: 0;
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */

/* Large Tablets & Desktop scaling */
@media (max-width: 1024px) {
    .about-hero {
        height: 420px;
    }

    .title-row-1 {
        font-size: 28px;
        gap: 12px;
    }

    .title-row-1 .v-divider {
        height: 28px;
    }

    .title-row-2 {
        font-size: 56px;
        letter-spacing: 6px;
    }

    .about-mission-container {
        gap: 40px;
    }

    .timeline-left {
        padding-right: 35px;
    }

    .timeline-right {
        padding-left: 35px;
    }

    .projects-main-header {
        font-size: 34px;
    }

    .contact-method-col {
        padding: 0 20px;
        gap: 20px;
    }
}

/* Medium Tablets & iPads (Landscape/Portrait) */
@media (max-width: 992px) {
    .about-intro {
        flex-direction: column;
        gap: 10px;
        margin-top: 45px;
    }

    .about-intro-left,
    .about-intro-right {
        width: 100%;
        flex: none;
    }

    .about-intro-title {
        font-size: 30px;
        margin-bottom: 20px;
    }

    .about-intro-img-wrap {
        aspect-ratio: 16 / 10;
    }

    .about-stats {
        margin-top: 30px;
    }

    .about-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
        margin-bottom: 30px;
    }

    .about-partners-card {
        padding: 25px 20px;
        gap: 25px;
    }

    .about-mission-container {
        flex-direction: column;
        gap: 20px;
    }

    .about-mission-left,
    .about-mission-right {
        width: 100%;
        flex: none;
    }

    .about-mission-img-wrap {
        aspect-ratio: 16 / 10;
        max-width: 500px;
        margin: 0 auto;
    }

    .about-projects-container {
        flex-direction: column;
        gap: 40px;
    }

    .projects-left,
    .projects-right {
        width: 100%;
        flex: none;
    }

    .projects-left {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .projects-main-header {
        text-align: center;
        font-size: 32px;
    }

    .projects-desc {
        text-align: center;
        max-width: 700px;
        margin-bottom: 25px;
    }
}

/* Tablets (Portrait) */
@media (max-width: 768px) {

    .about-hero {
        height: 340px;
    }

    .title-row-1 {
        font-size: 24px;
        gap: 10px;
        letter-spacing: 2px;
    }

    .title-row-1 .v-divider {
        height: 24px;
        width: 1.5px;
    }

    .title-row-2 {
        font-size: 48px;
        letter-spacing: 5px;
    }

    .about-mission-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    /* Vertical timeline stacking on mobile */
    .timeline-line {
        left: 30px;
        transform: none;
    }

    .timeline-row {
        display: block;
        margin-bottom: 35px;
    }

    .timeline-col {
        display: block;
        width: 100%;
    }

    .timeline-left,
    .timeline-right {
        padding: 0 0 0 70px;
        justify-content: flex-start;
    }

    .timeline-center {
        position: absolute;
        left: 5px;
        top: 0;
        width: 50px;
        height: 50px;
        margin: 0;
        padding: 0;
    }

    /* Hide the empty side columns */
    .timeline-row.row-2019 .timeline-left,
    .timeline-row.row-2021 .timeline-right,
    .timeline-row.row-2025 .timeline-left {
        display: none;
    }

    .timeline-card {
        max-width: 100%;
    }

    /* Contact Card responsive */
    .about-contact-card {
        flex-direction: column;
        gap: 35px;
        padding: 30px 40px;
    }

    .contact-divider {
        width: 100%;
        height: 1px;
    }

    .contact-method-col {
        width: 100%;
        padding: 0;
        justify-content: flex-start;
    }

}

/* Mobile Devices */
@media (max-width: 480px) {

    .about-hero-title .title {
        font-size: 24px;
        gap: 8px;
    }

    .about-hero-title .desc {
        font-size: 15px;
    }

    .title-row-1 .v-divider {
        height: 18px;
        width: 1.5px;
        margin: 0 2px;
    }

    .title-row-2 {
        font-size: 36px;
        letter-spacing: 3px;
    }

    .about-intro {
        margin-top: 15px;
    }

    .about-intro-title {
        font-size: 22px;
        margin-bottom: 15px;
    }

    .about-intro-desc {
        font-size: 14px;
        line-height: 1.6;
        margin-bottom: 15px;
    }

    .about-stats-title {
        font-size: 22px;
    }

    .about-stats-subtitle {
        font-size: 13px;
        margin-bottom: 25px;
    }

    .about-stats-grid {
        gap: 15px;
    }

    .stats-number {
        font-size: 32px;
    }

    .stats-label {
        font-size: 14px;
    }

    .about-mission {
        padding: 30px 0;
    }

    .about-mission-title {
        font-size: 22px;
        margin-bottom: 25px;
    }

    .mission-sub-title {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .mission-desc {
        font-size: 14px;
        line-height: 1.6;
    }

    .about-timeline {
        padding: 50px 0;
    }

    .timeline-header {
        margin-bottom: 40px;
    }

    .timeline-title {
        font-size: 22px;
    }

    .card-header {
        font-size: 17px;
        padding: 10px 15px;
    }

    .card-body {
        padding: 15px;
        font-size: 13.5px;
    }

    .timeline-left,
    .timeline-right {
        padding-left: 55px;
    }

    .timeline-line {
        left: 14px;
    }

    .timeline-center {
        left: -5px;
        width: 40px;
        height: 40px;
    }

    .timeline-node {
        width: 40px;
        height: 40px;
    }

    .timeline-node svg {
        width: 18px;
        height: 18px;
    }

    .about-projects {
        padding: 30px 0;
    }

    .about-projects-title {
        font-size: 22px;
        margin-bottom: 30px;
    }

    .projects-main-header {
        font-size: 24px;
    }

    .projects-desc {
        font-size: 14px;
    }

    .projects-right {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .masonry-item {
        aspect-ratio: 16 / 10 !important;
    }

    /* Contact Mobile design */
    .about-contact {
        padding: 30px 0;
    }

    .about-contact-title {
        font-size: 20px;
        margin-bottom: 30px;
    }

    .about-contact-card {
        padding: 20px 15px;
        gap: 20px;
    }

    .contact-method-col {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .contact-details {
        text-align: center;
        width: 100%;
    }

    .contact-btn {
        width: 100%;
        max-width: 260px;
        box-sizing: border-box;
    }

    .timeline-node img {
        width: 20px;
        height: 20px;
    }
}